:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --text: #1e252b;
  --muted: #65717c;
  --line: #d8dde3;
  --card: #ffffff;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px clamp(16px, 4vw, 40px);
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

.cart-link {
  text-decoration: none;
}

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 32px auto 56px;
}

.narrow {
  width: min(680px, calc(100% - 32px));
}

.intro {
  margin-bottom: 32px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.08;
}

h2 {
  font-size: 24px;
}

.intro p,
.muted {
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.product-card,
.cart-item,
.summary {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.product-card {
  display: grid;
  gap: 12px;
}

.product-card h3 {
  margin-bottom: 2px;
}

.price {
  font-weight: 700;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

button,
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  border: 0;
  border-radius: 6px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button:hover {
  background: var(--accent-dark);
}

button:disabled {
  cursor: not-allowed;
  opacity: .7;
}

.secondary {
  margin-top: 12px;
  background: #e7ecef;
  color: var(--text);
}

.secondary:hover {
  background: #d7dee4;
}

.checkout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 28px;
  align-items: start;
}

.form {
  display: grid;
  gap: 16px;
}

.parcel-section {
  display: grid;
  gap: 10px;
}

.parcel-section h3 {
  margin: 0;
  font-size: 16px;
}

.parcel-status {
  margin: 0;
  color: var(--muted);
}

.parcel-status.selected {
  color: var(--accent-dark);
  font-weight: 700;
}

.geowidget-container {
  min-height: 360px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: var(--card);
}

.geowidget-container inpost-geowidget {
  display: block;
  min-height: 360px;
}

.is-hidden {
  display: none;
}

#cart {
  display: grid;
  gap: 12px;
}

.cart-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.item-actions button {
  min-width: 36px;
  min-height: 36px;
  padding: 6px 10px;
}

.remove {
  background: #f3e8e6;
  color: var(--danger);
}

.remove:hover {
  background: #ead4d0;
}

.cart-total {
  margin-top: 16px;
  font-size: 18px;
}

.message {
  min-height: 24px;
  color: var(--danger);
}

.message.ok {
  color: var(--accent-dark);
}

.summary {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.summary dl {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 8px 12px;
  margin: 0;
}

.summary dt {
  color: var(--muted);
}

.summary dd {
  margin: 0;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.actions {
  margin-top: 24px;
}

@media (max-width: 760px) {
  .checkout {
    grid-template-columns: 1fr;
  }

  .cart-item,
  .summary dl {
    grid-template-columns: 1fr;
  }
}